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test.py
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test.py
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#!/usr/bin/env python
'''
Ironhouse extends Stonehouse with client public key authentication.
This is the strongest security model we have today, protecting against every
attack we know about, except end-point attacks (where an attacker plants
spyware on a machine to capture data before it's encrypted, or after it's
decrypted).
Author: Chris Laws
'''
import logging
import os
import sys
import zmq
import zmq.auth
from zmq.auth.thread import ThreadAuthenticator
def run():
"""Run Ironhouse example"""
# These directories are generated by the generate_certificates script
base_dir = os.path.dirname(__file__)
keys_dir = os.path.join(base_dir, 'certificates')
public_keys_dir = os.path.join(base_dir, 'public_keys')
secret_keys_dir = os.path.join(base_dir, 'private_keys')
if not (os.path.exists(keys_dir) and
os.path.exists(public_keys_dir) and
os.path.exists(secret_keys_dir)):
logging.critical("Certificates are missing - run generate_certificates.py script first")
sys.exit(1)
ctx = zmq.Context.instance()
# Start an authenticator for this context.
auth = ThreadAuthenticator(ctx)
auth.start()
auth.allow('127.0.0.1')
# Tell authenticator to use the certificate in a directory
auth.configure_curve(domain='*', location=public_keys_dir)
server = ctx.socket(zmq.PUSH)
server_secret_file = os.path.join(secret_keys_dir, "server.key_secret")
server_public, server_secret = zmq.auth.load_certificate(server_secret_file)
server.curve_secretkey = server_secret
server.curve_publickey = server_public
server.curve_server = True # must come before bind
server.bind('tcp://*:9000')
client = ctx.socket(zmq.PULL)
# We need two certificates, one for the client and one for
# the server. The client must know the server's public key
# to make a CURVE connection.
client_secret_file = os.path.join(secret_keys_dir, "client.key_secret")
client_public, client_secret = zmq.auth.load_certificate(client_secret_file)
client.curve_secretkey = client_secret
client.curve_publickey = client_public
server_public_file = os.path.join(public_keys_dir, "server.key")
server_public, _ = zmq.auth.load_certificate(server_public_file)
# The client must know the server's public key to make a CURVE connection.
client.curve_serverkey = server_public
client.connect('tcp://127.0.0.1:9000')
server.send(b"Hello")
if client.poll(1000):
msg = client.recv()
if msg == b"Hello":
logging.info("Ironhouse test OK")
else:
logging.error("Ironhouse test FAIL")
# stop auth thread
auth.stop()
if __name__ == '__main__':
if zmq.zmq_version_info() < (4,0):
raise RuntimeError("Security is not supported in libzmq version < 4.0. libzmq version {0}".format(zmq.zmq_version()))
level = logging.DEBUG
logging.basicConfig(level=level, format="[%(levelname)s] %(message)s")
run()